The Spanish king's private bathroom embraced the idea of a porcelain throne.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

The base for the battle against the smugglers of Islandmagee.

This Victorian-era walkway is just one of the many 19th-century treasures in Whitehead.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

It was once nicknamed "the most bombed hotel in Europe."

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

These engineering masterpieces are a dominant feature of the Belfast skyline.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Petrified footprints of one of the very first vertebrates to walk on land.

This beautiful site is where the first transatlantic telegraph was sent from.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

A stunning Victorian abbey and walled garden on a lakefront.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

A hugely vast Irish landscape of barren rock that stretches for miles.

An unusual manor of stunning beauty, born out of a crippling disease.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

Obelisks and stone pineapples in the Irish countryside.

A corkscrew-shaped barn in Ireland.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

Experience what life was like in Ireland during the Viking and medieval ages.